/*
 * Copyright 1999-2101 Alibaba Group.
 *  
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *  
 *      http://www.apache.org/licenses/LICENSE-2.0
 *  
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.alibaba.dubbo.governance.web.util;

import java.util.Map;
import java.util.Map.Entry;

/**
 * UrlUtils.java
 * 
 * @author tony.chenl
 */
public class UrlUtils {

    public static String paramsMapToString(Map<String, String[]> params) {
        StringBuilder paramsString = new StringBuilder();
        for (Entry<String, String[]> param : params.entrySet()) {
            if (paramsString != null) {
                paramsString.append("&");
            }
            paramsString.append(param.getKey());
            paramsString.append("=");
            for (int i = 0; i < param.getValue().length; i++) {
                if (i == 0) {
                    paramsString.append(param.getValue()[i]);
                } else {
                    paramsString.append(",");
                    paramsString.append(param.getValue()[i]);
                }
            }
        }
        return paramsString.toString();
    }

    public static String arrayToString(String[] values) {
        StringBuilder paramsString = new StringBuilder();
        for (int i = 0; i < values.length; i++) {
            if (i == 0) {
                paramsString.append(values[i]);
            } else {
                paramsString.append(",");
                paramsString.append(values[i]);
            }
        }
        return paramsString.toString();
    }
    
}
